public class Zi1 extends Fu{
    String phone = "手机";

    public void play(){
        System.out.println("子类1的玩方法");
    }

    @Override
    public void eat() {
        System.out.println("子类1重写的吃方法");
    }

    @Override
    public void sleep() {
        System.out.println("子类1中重写的睡方法");
    }
}
